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Brilliant

Percents

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We'll first find percentages of numbers by relating them to common fractions such as fourths, fifths and tenths. We'll work with percentage increase and percentage decrease, and use percentages to calculate the price of items in a sale, the amount of charge left in a battery and the total for a bill after including tips and taxes.

Syllabus

Percentages and Fractions

  • Intro to Percentages
  • Working out Percentages
  • Percentages and Batteries
  • Percentages as Fractions

Percent Increase

  • Percent Increase
  • Price Increase
  • Calculating Percent Increase

Tenths, Hundredths and Decimals

  • Percentages as Tenths
  • Percentages as Hundredths
  • Finding the Percentage
  • Percentages as Decimals
  • Calculating the Percentage

Percent Decrease

  • Percent Decrease
  • Calculating Percent Decrease
  • Finding the Original Price
  • Reversing Percentages

Compound Changes

  • Compound Changes
  • Compound Calculations
  • Splitting Percent Changes
  • Growing and Shrinking
  • Exponential Growth

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